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ManualsBrandsDell Manuals3000 SeriesVostro 3890
12
April 2021
Statement of Volatility – Dell Vostro 3890
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
The Dell Vostro 3890 contains both volatile and non-volatile components. Volatile components lose their data
immediately after power is removed from the component. Non-volatile components continue to retain their
data even after power is removed from the component. The following Non-volatile components are present on
the Vostro 3890 system board.
Table 1. List of Non-Volatile Components on System Board
Description
Reference
Designator
Volatility Description
User Accessible
for external data
Remedial Action
(Action necessary to
prevent loss of data)
Embedded
Flash
memory in
embedded
MICROCHI
P
DEC1515H
U2402
2K bytes of on-chip ROM and 256K
bytes of on-chip RAM
No
N/A
System
BIOS
U2502
32M bytes non-volatile memory,
System BIOS and Video BIOS for
basic boot operation, ePSA (on board
diagnostics.)
No
N/A
System
Memory –
DDR4
DIMM
memory
Connectons:
DIMM1,
DIMM2.
Volatile memory in off state (see state
definitions later in text)
One to two modules will be populated.
System memory size will depend on
DIMM modules and will be between
4GB to 64GB.
Yes
Power off system.
System
memory
SPD
EEPROM
On memory
DIMM(s)
256 bytes non-volatile EEPROM
memory. One Device present on each
DIMM.
Stores memory manufacturer data
and timing information for correct
operation of system memory.
No
N/A
RTC CMOS
BATTERY
Volatile battery back-backed CMOS
memory 256 bytes. Stores CMOS
information.
No
Removing the on
board Coin Cell
battery.
Video
memory –
type – see
next
column
UMA
architecture-
uses system
memory.
Volatile memory in off state.
UMA uses main system memory size
allocated out of main memory.
No
Enter S3-S5 state
below.
SD Memory
Card
User
replaceable
Non-volatile magnetic media, various
sizes in GB.
Yes
Low level format.

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